Home / 19,667.38-27,114.44-19,055.86

Finding the Fourth Proportional to 19,667.38, 27,114.44 and 19,055.86

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Solution

The fourth proportional to 19,667.38, 27,114.44 and 19,055.86 is: 26,271.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,667.38 : 27,114.44 = 19,055.86 : x
  2. Step 2: Convert to fraction form
    19,667.38/27,114.44 = 19,055.86/x
  3. Step 3: Cross multiply
    19,667.38x = 27,114.44 × 19,055.86
  4. Step 4: Simplify right side
    19,667.38x = 516,688,972.62
  5. Step 5: Solve for x
    x = 516,688,972.62/19,667.38
  6. Step 6: Final answer
    x = 26,271.37

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.